COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: A dual AGN candidate with 0.13 arcsec separation Exp. Code: EG109A Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Krisztina Gabanyi Address: MTA-ELTE Extragalactic Astrophysics Research Group ELTE TTK, Pazmany Peter setany 1/a H-1117 Budapest Hungary Phone: +36 1 3919322 EMAIL: krisztina.g@gmail.com Fax: Phone during observation: Observing mode: 6 cm 2 Gb/s Notes: Schedule for WSTRBORK (Code Wb ) Page 2 A dual AGN candidate with 0.13 arcsec separation UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2020 Day 57 --- Next scan frequencies: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 19 00 00 J0956+2515 05 50 46 36.7 96.1 -4.1 0.0 0 0 19 00 00 19 07 00 =0953+254 05 57 47 37.7 97.6 -4.0 0.0 420 54 19 00 01 19 08 25 J1007+1356 05 59 13 27.5 104.0 -4.2 0.0 34 54 19 08 25 19 09 35 =1004+141 06 00 23 27.7 104.3 -4.1 0.0 70 63 19 08 26 19 09 35 J1010+1413 06 00 23 27.5 103.5 -4.2 0.0 -15 63 No stop 19 13 05 --- 06 03 53 28.0 104.3 -4.1 0.0 195 90 19 09 36 19 13 05 J1007+1356 06 03 53 28.2 105.0 -4.1 0.0 -15 90 No stop 19 14 35 =1004+141 06 05 24 28.4 105.4 -4.1 0.0 75 102 19 13 06 19 14 35 J1010+1413 06 05 24 28.3 104.6 -4.1 0.0 -15 102 No stop 19 18 05 --- 06 08 54 28.8 105.4 -4.0 0.0 195 129 19 14 36 19 18 50 J1007+1356 06 09 39 29.0 106.3 -4.0 0.0 30 129 19 18 50 19 20 00 =1004+141 06 10 49 29.2 106.6 -4.0 0.0 70 138 19 18 51 19 20 00 J1010+1413 06 10 49 29.0 105.8 -4.0 0.0 -15 138 No stop 19 23 30 --- 06 14 20 29.6 106.6 -4.0 0.0 195 165 19 20 01 19 23 30 J1007+1356 06 14 20 29.7 107.4 -3.9 0.0 -15 165 No stop 19 25 00 =1004+141 06 15 50 29.9 107.7 -3.9 0.0 75 176 19 23 31 19 25 00 J1010+1413 06 15 50 29.8 106.9 -3.9 0.0 -15 176 No stop 19 28 30 --- 06 19 21 30.3 107.7 -3.9 0.0 195 204 19 25 01 19 29 15 J1007+1356 06 20 06 30.5 108.7 -3.8 0.0 30 204 19 29 15 19 30 25 =1004+141 06 21 16 30.7 108.9 -3.8 0.0 70 213 19 29 16 19 30 25 J1010+1413 06 21 16 30.6 108.1 -3.8 0.0 -15 213 No stop 19 33 55 --- 06 24 47 31.1 108.9 -3.8 0.0 195 240 19 30 26 19 33 55 J1007+1356 06 24 47 31.2 109.7 -3.7 0.0 -15 240 No stop 19 35 25 =1004+141 06 26 17 31.4 110.1 -3.7 0.0 75 251 19 33 56 19 35 25 J1010+1413 06 26 17 31.3 109.3 -3.8 0.0 -15 251 No stop 19 38 55 --- 06 29 48 31.8 110.1 -3.7 0.0 195 278 19 35 26 19 39 40 J1007+1356 06 30 33 32.0 111.1 -3.6 0.0 30 278 19 39 40 19 40 50 =1004+141 06 31 43 32.2 111.4 -3.6 0.0 70 287 19 39 41 Schedule for WSTRBORK (Code Wb ) Page 3 A dual AGN candidate with 0.13 arcsec separation UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2020 Day 57 --- 19 40 50 J1010+1413 06 31 43 32.0 110.5 -3.7 0.0 -15 287 No stop 19 44 20 --- 06 35 13 32.5 111.4 -3.6 0.0 195 314 19 40 51 19 44 20 J1007+1356 06 35 13 32.7 112.2 -3.6 0.0 -15 314 No stop 19 45 50 =1004+141 06 36 44 32.9 112.5 -3.5 0.0 75 326 19 44 21 19 45 50 J1010+1413 06 36 44 32.7 111.7 -3.6 0.0 -15 326 No stop 19 49 20 --- 06 40 14 33.2 112.5 -3.5 0.0 195 353 19 45 51 19 50 05 J1007+1356 06 40 59 33.5 113.5 -3.5 0.0 30 353 19 50 05 19 51 15 =1004+141 06 42 10 33.6 113.8 -3.4 0.0 70 362 19 50 06 19 51 15 J1010+1413 06 42 10 33.5 113.0 -3.5 0.0 -15 362 No stop 19 54 45 --- 06 45 40 34.0 113.8 -3.4 0.0 195 389 19 51 16 19 54 45 J1007+1356 06 45 40 34.1 114.7 -3.4 0.0 -15 389 No stop 19 56 15 =1004+141 06 47 10 34.3 115.0 -3.4 0.0 75 401 19 54 46 19 56 15 J1010+1413 06 47 10 34.2 114.2 -3.4 0.0 -15 401 No stop 19 59 45 --- 06 50 41 34.7 115.0 -3.3 0.0 195 428 19 56 16 20 00 30 J1007+1356 06 51 26 34.9 116.1 -3.3 0.0 30 428 20 00 30 20 01 40 =1004+141 06 52 36 35.1 116.4 -3.3 0.0 70 437 20 00 31 20 01 40 J1010+1413 06 52 36 34.9 115.5 -3.3 0.0 -15 437 No stop 20 05 10 --- 06 56 07 35.4 116.4 -3.3 0.0 195 464 20 01 41 20 05 10 J1007+1356 06 56 07 35.5 117.2 -3.2 0.0 -15 464 No stop 20 06 40 =1004+141 06 57 37 35.7 117.6 -3.2 0.0 75 475 20 05 11 20 06 40 J1010+1413 06 57 37 35.6 116.8 -3.2 0.0 -15 475 No stop 20 10 10 --- 07 01 08 36.1 117.6 -3.2 0.0 195 502 20 06 41 20 10 55 J1007+1356 07 01 53 36.3 118.7 -3.1 0.0 30 502 20 10 55 20 12 05 =1004+141 07 03 03 36.5 119.0 -3.1 0.0 70 511 20 10 56 20 12 05 J1010+1413 07 03 03 36.3 118.1 -3.1 0.0 -15 511 No stop 20 15 35 --- 07 06 34 36.8 119.0 -3.1 0.0 195 538 20 12 06 20 15 35 J1007+1356 07 06 34 36.9 119.9 -3.0 0.0 -15 538 No stop 20 17 05 =1004+141 07 08 04 37.1 120.3 -3.0 0.0 75 550 20 15 36 20 17 05 J1010+1413 07 08 04 37.0 119.4 -3.1 0.0 -15 550 No stop 20 20 35 --- 07 11 34 37.5 120.3 -3.0 0.0 195 577 20 17 06 Schedule for WSTRBORK (Code Wb ) Page 4 A dual AGN candidate with 0.13 arcsec separation UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2020 Day 57 --- 20 21 20 J1007+1356 07 12 20 37.7 121.4 -2.9 0.0 30 577 20 21 20 20 22 30 =1004+141 07 13 30 37.8 121.7 -2.9 0.0 70 586 20 21 21 20 22 30 J1010+1413 07 13 30 37.7 120.8 -3.0 0.0 -15 586 No stop 20 26 00 --- 07 17 00 38.2 121.7 -2.9 0.0 195 613 20 22 31 20 26 00 J1007+1356 07 17 00 38.3 122.6 -2.9 0.0 -15 613 No stop 20 27 30 =1004+141 07 18 31 38.5 123.0 -2.8 0.0 75 625 20 26 01 20 27 30 J1010+1413 07 18 31 38.4 122.1 -2.9 0.0 -15 625 No stop 20 31 00 --- 07 22 01 38.8 123.0 -2.8 0.0 195 652 20 27 31 20 31 45 J1007+1356 07 22 46 39.0 124.1 -2.8 0.0 30 652 20 31 45 20 32 55 =1004+141 07 23 56 39.1 124.4 -2.7 0.0 70 661 20 31 46 20 32 55 J1010+1413 07 23 56 39.0 123.5 -2.8 0.0 -15 661 No stop 20 36 25 --- 07 27 27 39.5 124.5 -2.7 0.0 195 688 20 32 56 20 36 25 J1007+1356 07 27 27 39.6 125.4 -2.7 0.0 -15 688 No stop 20 37 55 =1004+141 07 28 57 39.8 125.8 -2.7 0.0 75 699 20 36 26 20 37 55 J1010+1413 07 28 57 39.7 124.9 -2.7 0.0 -15 699 No stop 20 41 25 --- 07 32 28 40.1 125.8 -2.7 0.0 195 727 20 37 56 20 42 10 J1007+1356 07 33 13 40.3 127.0 -2.6 0.0 30 727 20 42 10 20 43 20 =1004+141 07 34 23 40.4 127.3 -2.6 0.0 70 736 20 42 11 20 43 20 J1010+1413 07 34 23 40.3 126.4 -2.6 0.0 -15 736 No stop 20 46 50 --- 07 37 54 40.8 127.3 -2.6 0.0 195 763 20 43 21 20 46 50 J1007+1356 07 37 54 40.8 128.3 -2.5 0.0 -15 763 No stop 20 48 20 =1004+141 07 39 24 41.0 128.7 -2.5 0.0 75 774 20 46 51 20 48 20 J1010+1413 07 39 24 40.9 127.7 -2.5 0.0 -15 774 No stop 20 51 50 --- 07 42 55 41.4 128.7 -2.5 0.0 195 801 20 48 21 20 51 50 J1007+1356 07 42 55 41.4 129.7 -2.4 0.0 -15 801 No stop 20 53 20 =1004+141 07 44 25 41.6 130.1 -2.4 0.0 75 813 20 51 51 20 54 00 J0956+2515 07 45 05 52.7 125.0 -2.2 0.0 -11 813 20 54 00 21 00 00 =0953+254 07 51 06 53.5 126.9 -2.1 0.0 349 859 20 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.C2048 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 14 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1010+1413 10 07 41.257077 * 10 10 22.957500 10 11 28.322132 0.00 14 27 47.72580 * 14 13 00.87500 14 07 00.31895 0.00 From catalog imbedded in main SCHED input file. 0953+254 09 53 59.738485 * 09 56 49.875379 09 57 58.619738 0.11 * J0956+2515 25 29 33.58574 * 25 15 16.04984 25 09 27.93847 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 29729 observations 1004+141 10 04 59.783934 * 10 07 41.498088 10 08 46.866828 0.10 * J1007+1356 14 11 10.91501 * 13 56 29.60078 13 50 31.24655 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 4729 observations SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline J1010+1413 sess120.C2048 1 2 3 4 5 6 7 8 9 10 14 15 1.167 182.230 J0956+2515 sess120.C2048 1 2 3 4 5 6 7 8 9 10 14 15 0.217 36.393 J1007+1356 sess120.C2048 1 2 3 4 5 6 7 8 9 10 14 15 0.469 70.622 EFFECT OF SOLAR CORONA The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) J1010+1413 171.6 J0956+2515 161.0 J1007+1356 171.3 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg